Re: Booting Salvator-X ES1 board with upstream kernel

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On Mon, May 14, 2018 at 5:29 PM, Geert Uytterhoeven
<geert@xxxxxxxxxxxxxx> wrote:
> Hi Gilad,
>
> On Thu, May 10, 2018 at 10:12 AM, Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx> wrote:
>> I am trying to add support for the CryptoCell security IP in the
>> R-Rcar boards to mainline but I've run into some trouble.
>
> Ah, we have found a user ;-)

Yes. I would be very happy if all our customer would be as cooperative
as Renesas.
That would make my life and the life of the users easier :-)

I've also have the HiKey960 on my todo list.

>
>> I have an R-Car 3rd gen Salvator-X ES1 board. I've been able to boot
>> Linux 4.9 on it from the rareness-bsp tree, using the defconfig and
>> the r8a7795-es1-salvator-x DTB with no problems, so the HW is fine.
>>
>> However, I can't seem to boot an upstream kernel (Linus master or
>> soc-for-v4.17 branch) on it. I just get total silence on the UART
>> after u-boot.
>>
>> Any tips or ideas for me to try?
>
> Please try appending the following to the kernel command line:
>
>     earlycon keep_bootcon
>
> FWIW, I'm using:
>
>     tftpboot 0x48080000 h3-salvator-x/Image
>     tftpboot 0x49f00000 h3-salvator-x/r8a7795-es1-salvator-x.dtb
>     booti 0x48080000 - 0x49f00000
>
> Which firmware revision do you have? It may be too old to boot moden
> (large) kernel images. Check the first line of BL2 output.
>
> Which config are you using? Please try renesas_defconfig from Simon's
> repository.

That was it. I was building with defoncfig and getting a kernel that won't be.
Simon's config did the trick.

Many thanks!

Gilad

-- 
Gilad Ben-Yossef
Chief Coffee Drinker

"If you take a class in large-scale robotics, can you end up in a
situation where the homework eats your dog?"
 -- Jean-Baptiste Queru



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